Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE 7/16"-20 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 7/16"-20 UNF General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (SKU 357785, MPN 357785) is a general-purpose spiral-point tap with a 7/16"-20 UNF thread size. It features an H5 / 2B-3B tolerance, plug chamfer, 3 flutes, and is made of…

SKU 3G-OTH-215671

Brand
CHICAGO-LATROBE
Item
7/16"-20 UNF General Purpose Spiral-Point Tap
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
357785
Type
H5 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
3

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 357785, MPN 357785) is a general-purpose spiral-point tap with a 7/16"-20 UNF thread size. It features an H5 / 2B-3B tolerance, plug chamfer, 3 flutes, and is made of high-speed steel.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in metalworking. Its spiral point design pushes chips ahead, preventing clogging and enabling faster, cleaner threads in production environments across machining, automotive, and general manufacturing.

What are the specifications of the CHICAGO-LATROBE 357785 tap?

The CHICAGO-LATROBE 357785 is a 7/16"-20 UNF spiral point tap with H5 / 2B-3B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. It is designed for precise, consistent threading in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine cutting tools like the 357785 spiral point tap and deliver to your facility, regardless of location.

How to select the right spiral point tap for a job?

Select a spiral point tap based on thread size, pitch, and material. For through holes, the spiral point design pushes chips forward. Match the tap's tolerance class (e.g., H5) to the required thread fit. CHICAGO-LATROBE taps like the 357785 suit general-purpose production threading.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This general purpose spiral-point tap is designed for threading through-holes in metal. Its spiral-point geometry pushes chips forward, facilitating efficient chip evacuation during production tapping. Made from high-speed steel, it features a plug chamfer and 3 flutes, with H3 / 2B tolerance for consistent thread class
CHICAGO-LATROBE
This general purpose spiral-point tap is designed for threading through-holes in metal. Its spiral-point geometry pushes chips forward, facilitating efficient chip evacuation during production tapping. Made from high-speed steel, it features a plug chamfer and 3 flutes, with H3 / 2B tolerance for consistent thread class
General purpose spiral-point tap for through-hole threading. Pushes chips forward to reduce clogging. Made of high-speed steel with H5 tolerance for 2B-3B class fit. Features 3 flutes and plug chamfer. Suitable for threading in ferrous and non-ferrous materials
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading. Pushes chips forward to reduce clogging. Made of high-speed steel with H5 tolerance for 2B-3B class fit. Features 3 flutes and plug chamfer. Suitable for threading in ferrous and non-ferrous materials
This spiral-point tap is designed for threading blind holes in production and maintenance applications. The spiral-point design pushes chips forward, preventing clogging. It is made of high-speed steel with a plug chamfer and 2-flute configuration. Suitable for use on steel, aluminum, and cast iron
CHICAGO-LATROBE
This spiral-point tap is designed for threading blind holes in production and maintenance applications. The spiral-point design pushes chips forward, preventing clogging. It is made of high-speed steel with a plug chamfer and 2-flute configuration. Suitable for use on steel, aluminum, and cast iron
General purpose spiral-point tap for through-hole threading. Pushes chips ahead to prevent clogging. Suitable for production tapping in steel and aluminum. Specifications: 1/2"-20 UNF thread, H3 / 2B tolerance, plug chamfer, high-speed steel, 3 flutes
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading. Pushes chips ahead to prevent clogging. Suitable for production tapping in steel and aluminum. Specifications: 1/2"-20 UNF thread, H3 / 2B tolerance, plug chamfer, high-speed steel, 3 flutes
This spiral-point tap is designed for through-hole threading in production environments. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron. Made from high-speed steel with a plug chamfer and 3-flute design, it is suitable for general-purpose threading operations
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in production environments. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron. Made from high-speed steel with a plug chamfer and 3-flute design, it is suitable for general-purpose threading operations
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B classes, 2-flute design, plug chamfer, and high-speed steel construction. The spiral point pushes chips forward to reduce clogging and breakage during production tapping
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread, H5 tolerance for 2B-3B classes, 2-flute design, plug chamfer, and high-speed steel construction. The spiral point pushes chips forward to reduce clogging and breakage during production tapping

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Spiral Point Tap: #12-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 356841)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #12-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 356841)
CHICAGO-LATROBE Spiral Point Tap: M6x1 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 173044)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M6x1 Metric, D5 / 6H, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 173044)
Spiral-point tap designed for threading through or blind holes in production machining. The spiral-point geometry pushes chips forward, reducing clogging in ferrous and non-ferrous materials. Suitable for general-purpose threading applications
CHICAGO-LATROBE
Spiral-point tap designed for threading through or blind holes in production machining. The spiral-point geometry pushes chips forward, reducing clogging in ferrous and non-ferrous materials. Suitable for general-purpose threading applications
CHICAGO-LATROBE Spiral Point Tap: M5x0.8 Metric, D4 / 6H, 2 Flute, Plug Chamfer (MPN 330170)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M5x0.8 Metric, D4 / 6H, 2 Flute, Plug Chamfer (MPN 330170)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 173023)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 173023)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330116)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330116)
This spiral-point tap is designed for threading blind holes in production machining. The spiral point pushes chips forward, reducing clogging and enabling efficient tapping in ferrous and non-ferrous materials. Made from high speed steel with a plug chamfer and 2 flutes, it provides a H2 / 2B class fit for #4-40 UNC threads
CHICAGO-LATROBE
This spiral-point tap is designed for threading blind holes in production machining. The spiral point pushes chips forward, reducing clogging and enabling efficient tapping in ferrous and non-ferrous materials. Made from high speed steel with a plug chamfer and 2 flutes, it provides a H2 / 2B class fit for #4-40 UNC threads
CHICAGO-LATROBE Spiral Point Tap: M1.8x0.35 Metric, D3 / 6H, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330131)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M1.8x0.35 Metric, D3 / 6H, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330131)